chore(config): remove /.dev/ from .gitignore

Move to local .git/info/exclude instead.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Little-Peony

.gitignore

@@ -57,4 +57,3 @@ Wallet
 
 /framework/propPath
 .cache
-/.dev/